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73 results about "Ophthalmological equipment" patented technology

Photographing apparatus and photographing method

The present invention provides an ophthalmological apparatus capable of displaying a plurality of fundus tomographic images. A photographing apparatus includes a fundus imaging unit adapted to capture a fundus image of a subject's eye, a scanning unit adapted to scan a desired position of the fundus of the subject's eye to capture tomographic images of the subject's eye, a measuring unit adapted to measure movement amounts of the fundus of the subject's eye by performing pattern matching between a plurality of feature points in the acquired fundus image and feature points in another fundus image newly acquired at a different time, and a control unit adapted to control the scanning unit based on the measured movement amounts.
Owner:CANON KK

Ophthalmologic apparatus

An ophthalmologic apparatus measures a dimension of an eye to be examined. The ophthalmologic apparatus includes a light source, an incidence member, an acquisition unit, and a display unit. The incidence member causes light from the light source to be incident on a plurality of different positions in the eye to be examined The acquisition unit acquires a two-dimensional tomographic image of an interior of the eye to be examined on the basis of a plurality of interference signals acquired as a result of the incidence member causing the incidence of light on the plurality of different positions. The display unit displays the acquired two-dimensional tomographic image.
Owner:TOMEY CORP

High refractive index, high abbe number intraocular lens materials

Disclosed are high refractive index, hydrophobic, acrylic materials. These materials have both high refractive index and a high Abbe number. This combination means the materials have a low refractive index dispersion and thus are especially suitable for use as intraocular lens materials. The materials are also suitable for use in other implantable ophthalmic devices, such as keratoprostheses, corneal rings, corneal implants, and corneal inlays.
Owner:ALCON INC

650-nm light-supplementing glasses

The invention relates to the technical field of ophthalmic equipment, and discloses 650-nm light-supplementing glasses. The 650-nm light-supplementing glasses comprise a glasses box, wherein glasses supports are movably hinged with both the left and right sides of the glasses box, and red filter glass is embedded into the front surface of the glasses box. According to the 650-nm light-supplementing glasses, two 650-nm lasers are started through a control panel, at the time, laser beams of the 650-nm lasers travel towards diffuse reflectors, when the laser beams go through the red filter glass,filtered red light can treat eyes, when the 650-nm laser beams enter the eyes, part of laser energy irradiates eyeballs, 650-nm laser is at a hemoglobin spectrum absorption peak, and can be absorbedby hemoglobin, blood circulation is promoted, the oxygen supply capability of the eyeballs is improved, improvement of vision of the eyeballs is facilitated, under long-term treatment, axial elongation can be effectively inhibited, thus vision of the eyes is improved, and occurrence and development of shortsightedness are inhibited, so that the probability of shortsightedness is reduced.
Owner:合肥掘悦网络科技有限公司

Ophthalmologic apparatus

According to the present invention, there is provided an ophthalmologic apparatus in which identifying power for the index or an index indicating state is improved to eliminate the confusion of a person to be examined, so that an eye examination time period can be shortened and the reliability of an eye examination can be improved. The ophthalmologic apparatus includes an index plate that displays an index, an index projecting optical system that projects the index to an eye to be examined, a variable cross cylinder that produces a pair of index indicating states of the index used for a cross cylinder test, a lamp and a liquid crystal screen that generate identifiers serving as identification information, and a dichroic mirror that combines the identifiers with the pair of index indicating states to be indicated to the eye to be examined.
Owner:KK TOPCON

Diaphragm system used for ophthalmological equipment and ophthalmological equipment

The invention provides ophthalmological equipment and a diaphragm system, and belongs to the field of ophthalmological instrument. The diaphragm system comprises a light source, a light beam generating mechanism, an image collector and a driving mechanism, the light source is used for emitting infrared light, the light beam generating mechanism comprises a plurality of light-penetrating areas and used for separating the infrared light into a plurality of light beams, the image collector is used for collecting images of a plurality of faculae formed by the infrared light beams on a retina of a patient, and the driving mechanism is used for driving the light-penetrating areas to move along a direction perpendicular to an optical axis so as to change positions of the light-penetrating areas. The light beam generating mechanism is an LCD (liquid crystal display) screen which is provided with a plurality of the light-penetrating areas allowing the infrared light to penetrate. The ophthalmological equipment and the diaphragm system have the advantages that even though the position of an eye ball of the patient changes during inspection, at least one detecting position can always exist in the light-penetrating areas, and under the detecting position, the image collector can collect all faculae completely, so that data obtained from fitting are accurate.
Owner:SUZHOU SIHAITONG INSTR

Ophthalmic clinical optimized drug delivery device

The invention relates to the technical field of ophthalmic equipment, and particularly relates to an ophthalmic clinical optimized drug delivery device. The device comprises a bottom plate, wherein telescopic rods are fixedly connected to the four corners of the top of the bottom plate; a supporting plate is fixedly connected to the tops of the four telescopic rods; an adjusting structure is fixedly connected to the middle of the top of the bottom plate; the top of the adjusting structure is fixedly connected with the bottom of the supporting plate; convex sliding grooves are formed in the left side and the right side of the top of the supporting plate; convex sliding blocks are slidably connected into the convex sliding grooves; clamping plates are fixedly connected to the tops of the twoconvex sliding blocks; a pillow block is fixedly connected to the front side of the top of the supporting plate; and the front end of the pillow block is slidably matched with the rear ends of the two clamping plates. The height of the device can be adjusted, the working intensity of a doctor is reduced, the head of a patient can be fixed, drugs can be accurately sprayed to the affected part, thetreatment effect is improved, the treatment working efficiency is improved, and the use practicability of the device is improved.
Owner:董宁宁

Ophthalmic apparatus, and treatment site measuring method for the apparatus

The present invention relates to an ophthalmic apparatus and to a treatment site measuring method for the apparatus. The ophthalmic apparatus according to the present invention comprises: a first image unit for capturing the lower region of a retina so as to generate an image of the captured retina; a second image unit for capturing the local region of the retina indicated by a surgical operator so as to generate an image of the captured local region of the retina; and a control unit for mapping the image of the local region of the retina generated by the second image unit to the image of the retina generated by the first image unit based on the image of the retina generated by the first image unit.
Owner:LUTRONIC VISION INC
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